Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2019 7 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NOAA-20 Lat/Lon    Distance(km)  Time Diff(sec)
 07/21/2019   22:30:11   (   0.02,-137.19) (   0.30,-136.07)  128.85                80
 07/23/2019   10:51:57   (  -0.03,-137.20) (   0.91,-141.33)  471.07                80
 07/24/2019   10:30:31   (  -0.03,-137.19) (  -0.09,-136.79)   44.91                80
 07/26/2019   22:33:42   (   0.03,-137.16) (  -0.05,-137.57)   46.54                80
 07/27/2019   22:17:37   (   0.03,-137.14) (   0.95,-133.03)  468.74                80
 07/29/2019   10:39:24   (  -0.04,-137.13) (   0.20,-138.30)  133.07                80
 07/30/2019   10:20:39   (  -0.04,-137.11) (  -0.80,-133.77)  381.54                80
 07/31/2019   22:39:54   (   0.04,-137.07) (  -0.39,-139.07)  227.55                80
 08/01/2019   22:23:48   (   0.04,-137.05) (   0.61,-134.53)  286.78                80
 08/03/2019   10:42:55   (  -0.05,-137.03) (   0.59,-139.79)  315.96                80
 08/04/2019   10:26:49   (  -0.05,-137.00) (  -0.41,-135.26)  198.13                80